This is simple circuit that illustrates the function of the programmable unijunction transistor. It may be quickly wired on a proto-board. The programmable unijunction transistor remains dormant until ...

the history of the most important invention of the 20th century: the transistor. Also... see the television documentary hosted by Ira Flatow, airing on local PBS stations in the fall of 1999. This ...

As with many inventions, two people had the idea for an integrated circuit at almost the same time. Transistors had become commonplace in everything from radios to phones to computers, and now ...

Some circuit boards cost 45 to 75 cents each, while others, like the first Intel processor, cost them $8 a chip because of the amount of gold. With a variety of parts in hand, the jewelry design ...